#include <bits/stdc++.h>
#define INF  1000000

using namespace std;
ifstream fin("royfloyd.in") ;
ofstream fout("royfloyd.out") ;

int n , v[105][105] ;

int main()
{
    fin >> n ;
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
        {
            fin >> v[i][j] ;
            if(v[i][j] == 0)
                v[i][j] = INF ;
        }
    for(int k=1; k<=n; k++)
        for(int i=1; i<=n; i++)
           for(int j=1; j<=n; j++)
           if(v[i][k] + v[k][j] < v[i][j] && i!=j)
           v[i][j] = v[i][k] + v[k][j] ;
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
        {
            if(v[i][j] != INF)
                fout << v[i][j] << " " ;
            else
                fout << "0" << " ";
        }
        fout << "\n" ;
    }

    return 0;
}